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Title: Built form, urban climate and building energy modelling: case-studies in Rome and Antofagasta
Authors: Salvati, A
Palme, M
Chiesa, G
Kolokotroni, M
Keywords: Urban building energy performance;Urban weather generator;Urban morphology;Building performance simulation;Urban climate;Urban heat island
Issue Date: 4-Jan-2020
Publisher: Taylor & Francis
Citation: Journal of Building Performance Simulation
Abstract: The energy performance of urban buildings is affected by multiple climate phenomena such as heat island intensity, wind flow, solar obstructions and infrared radiation exchange in urban canyons, but a modelling procedure to account for all of them in building performance simulation is still missing. This paper contributes to fill this gap by describing a chain strategy to model urban boundary conditions suitable for annual simulations using dynamic thermal simulation tools. The methodology brings together existing physical and empirical climate models and it is applied to 10 case studies in Rome (Italy) and Antofagasta (Chile). The results show that urban climate varies significantly across a city depending on the density of urban texture and its impact on the annual energy demand depends on the region's climate. The urban shadows are crucial in cooling-dominated climates (Antofagasta) while the urban heat island intensity is more important in temperate climates (Rome).
ISSN: 1940-1493
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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